MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Factorisation Using Algebraic Identities

If y=5 and z=...

Question

If $y = 5 a n d z = 2$ , evaluate:

iii) $5 y^{2}$

Open in App

Solution

Step: Evaluate

Given: $5 y^{2}$

Substituting $y = 5$ in the given expression

$5 y^{2} = 5 \times (5)^{2}$

$= 5 \times 25$

$= 125$

Hence, the value of $5 y^{2}$ for $y = 5 a n d z = 2 i s 125.$

Suggest Corrections

thumbs-up

0

Similar questions

Suppose x² + y² = z².

(i) if x = 4 and y = 3 find z;

(ii) if x = 5 and z = 13, find y;

(iii) if y = 15 and z = 17, find x.

y = 5, z = 2

, evaluate
(iii)

5 y^{2}

y = 5 a n d z = 2

, evaluate:

iii)

(5 z)^{3}

x = 2

y = 10

, evaluate :

iv)

5 y^{2}

x = 2, y = 10

, evaluate
(iv)

5 y^{2}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Method of Identities

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Factorisation Using Algebraic Identities

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon